Search a number
-
+
211202202111112 = 2326400275263889
BaseRepresentation
bin110000000001011001011000…
…001110111000110010001000
31000200210201210121020020221001
4300001121120032320302020
5210140314102220023422
62025104541402024344
762325566312216152
oct6001313016706210
91020721717206831
10211202202111112
11613283950750a3
121b83049a1a80b4
1390b0388cc2614
143a22353907ad2
151963cc21a5227
hexc016583b8c88

211202202111112 has 8 divisors (see below), whose sum is σ = 396004128958350. Its totient is φ = 105601101055552.

The previous prime is 211202202111067. The next prime is 211202202111169. The reversal of 211202202111112 is 211111202202112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 147315847615876 + 63886354495236 = 12137374^2 + 7992894^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 211202202111112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13200137631937 + ... + 13200137631952.

Almost surely, 2211202202111112 is an apocalyptic number.

It is an amenable number.

211202202111112 is a deficient number, since it is larger than the sum of its proper divisors (184801926847238).

211202202111112 is a wasteful number, since it uses less digits than its factorization.

211202202111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26400275263895 (or 26400275263891 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211202202111112 its reverse (211111202202112), we get a palindrome (422313404313224).

The spelling of 211202202111112 in words is "two hundred eleven trillion, two hundred two billion, two hundred two million, one hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 26400275263889 52800550527778 105601101055556 211202202111112